a. Beneficiaries are terminated from the Disability Trust Fund and start receiving benefits from the Retirement Survivor Trust Fund.

b. Dependents' benefits terminate when the disabled worker no longer meets the requirements for disability benefits. Disabled widow(er)s and disabled adult children of deceased or retired workers lose their benefits when they no longer meet the requirements for disability benefits.

c. Includes beneficiaries who medically improved, who did not cooperate during the medical review, or whose whereabouts are unknown.

d. Excludes disabled beneficiaries whose monthly benefits have been suspended because they are engaging in substantial gainful activity during the extended period of eligibility.

e. Includes beneficiaries who did not comply with alcohol or drug abuse treatment programs or who refused vocational rehabilitation services.